<div id="content">
{section name=center_content_index loop=$page.tpl}
    {if $smarty.section.center_content_index.index > 0 && $page.tpl[center_content_index][2] == 'default/center_content.tpl'}
    {include file=$page.tpl[center_content_index][0]}
    {/if}
{/section}
</div>